Lead AI Engineer

MassMutual; Springfield (MA); On-site; Full time

Job summary

A leading life insurance company in Springfield, Massachusetts, is seeking a Lead AI Engineer to design and deploy advanced AI solutions. This position involves leading ML/AI initiatives, collaborating with cross-functional teams, and mentoring junior staff. The ideal candidate will have over 7 years of experience in AI/ML, a deep understanding of machine learning, and strong programming skills in Python. Join our innovative team to influence strategy and foster a culture of excellence.

Qualifications

• 7+ years of experience in data science or AI engineering roles.
• Deep understanding of LLMs and statistics.
• Experience testing LLM behavior across various models.

Responsibilities

• Architect and lead ML/AI solutions for enterprise use cases.
• Deploy scalable GenAI and Agentic AI systems.
• Mentor and develop junior talent in AI.

Skills

AI/ML expertise

Machine learning deployment

Programming in Python

Collaborating with software engineers

Exceptional communication

Education

M.S. or Ph.D. in Computer Science, Statistics, Applied Mathematics, Electrical Engineering, Physics

Tools

MLflow

llama-index

Job description

MassMutual’s Data Science team is seeking an impact-driven Lead AI Engineer to join our high-performing, cross-functional team. In this role, you will lead the design and deployment of advanced AI solutions that drive strategic decision-making and business transformation. You’ll apply cutting-edge techniques in machine learning, generative AI, and large language models (LLMs) to solve complex, high-value problems across the enterprise.

This is a unique opportunity to work alongside experts in applied mathematics, statistics, computer science, and physics—collaborating on initiatives that shape the future of MassMutual and the life insurance industry at large.

Overall Responsibilities

• Architect and lead end-to-end ML/AI solutions supporting various use cases for a large enterprise using LLMs, deep learning, and probabilistic modeling—from ideation to production.
• Deploy scalable GenAI and Agentic AI systems that directly support business goals.
• Establish and promote best practices in AI development and responsible AI deployment.
• Drive innovation by identifying emerging technologies and translating research into practical applications.
• Collaborate with engineering teams to build robust, production-grade AI pipelines and APIs.
• Prototype and deliver AI-powered applications (e.g., web apps, dashboards, visualizations) that enable data-driven decisions.
• Influence senior leadership by aligning AI initiatives with enterprise strategy and communicating insights effectively.
• Mentor and develop junior talent, fostering a culture of technical excellence and continuous learning.

Candidate Requirements

• Recognized industry expertise in AI/ML, with a track record of delivering impactful solutions.
• 7+ years of experience in data science, machine learning, or AI engineering roles.
• Deep understanding of machine learning, statistics, NLP, optimization, and LLMs.
• Hands-on experience with AI deployment and orchestration frameworks and protocols (e.g., MLflow, llama-index, MCP).
• Extensive experience testing LLM behavior across a variety of foundation models and benchmarks.
• Experience building AI-powered applications and collaborating with software engineers and product managers.
• Strong programming skills in Python. Proficiency in R is a plus.
• Proficiency in SQL and database design; familiarity with cloud-native data platforms, vector databases, and semantic search is a plus.
• Exceptional communication skills, with the ability to explain complex concepts to non-technical stakeholders.

Education

M.S. or Ph.D. in Computer Science, Statistics, Applied Mathematics, Electrical Engineering, Physics, or a related quantitative field.

MassMutual is an equal employment opportunity employer. We welcome all persons to apply.

If you need an accommodation to complete the application process, please contact us and share the specifics of the assistance you need.

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